Portable light source



FIG. 1 is a front elevational view of a portable light source according to a first embodiment of the present invention.

FIG. 2 is a rear elevational view of the portable light source according to the first embodiment of the present invention.

FIG. 3 is a right side elevational view of the portable light source according to the first embodiment of the present invention, with the left side elevational view being a mirror image thereof.

FIG. 4 is a bottom plan view of the portable light source according to the first embodiment of the present invention.

FIG. 5 is a top plan view of the portable light source according to the first embodiment of the present invention.

FIG. 6 is a front elevational view of a portable light source according to a second embodiment of the present invention.

FIG. 7 is a rear elevational view of the portable light source according to the second embodiment of the present invention.

FIG. 8 is a right side elevational view of the portable light source according to the second embodiment of the present invention, with the left side elevational view being a mirror image thereof.

FIG. 9 is a bottom plan view of the portable light source according to the second embodiment of the present invention; and,

FIG. 10 is a top plan view of the portable light source according to the second embodiment of the present invention.

A head strap is shown in broken lines in FIGS. 5 and 10 for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portable light source, as shown and described. 